We're getting the following error when trying to sign in with our O365 admin account into the SfB Control Panel:
Get-CSWebTicket : The underlying connection was closed: An unexpected error occurred on a send.
We're getting the following error when trying to sign in with our O365 admin account into the SfB Control Panel:
Get-CSWebTicket : The underlying connection was closed: An unexpected error occurred on a send.
It seems related to the TLS connection. In this way, we recommend you try to run the following command in PowerShell to enforce TLS 1.2.
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
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